When to Plant Larkspur in Boiling Springs, Pennsylvania (17007)

Location

Boiling Springs, Pennsylvania

ZIP Code

17007

USDA Zone

Last Frost

Friday, April 10, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, March 13, 2026

Pro Tip: Sow Larkspur directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Consolida ajacis

Days to Maturity 65 days

Mature Height 24-48"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Moderate (1 inch/week)

↔️

Spacing

9" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 14-21 days

Ready to Plant Larkspur in Boiling Springs?

Get your seeds now so they're ready by Friday, March 13, 2026.

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Other Plants for Boiling Springs

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Growing Larkspur in Zone 7a

Larkspur (Consolida ajacis) is a popular garden vegetable. In Boiling Springs, Pennsylvania, which is in USDA Hardiness Zone 7a, you should direct sow seeds around Friday, March 13, 2026.

Your average last frost date is Friday, April 10, 2026. Larkspur grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.